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<a class="jxr_linenumber" name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> com.katesoft.scale4j.common.utils;
<a class="jxr_linenumber" name="2" href="#2">2</a>   
<a class="jxr_linenumber" name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.Method;
<a class="jxr_linenumber" name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.ParameterizedType;
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.Type;
<a class="jxr_linenumber" name="6" href="#6">6</a>   
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @author kate2007 */</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/katesoft/scale4j/common/utils/ReflectionUtility.html">ReflectionUtility</a>
<a class="jxr_linenumber" name="9" href="#9">9</a>   {
<a class="jxr_linenumber" name="10" href="#10">10</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_javadoccomment">     * Return actual parameter type for generic subclass or interface.</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_javadoccomment">     * Note:</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_javadoccomment">     * 1)this method assume that given class is parameterized subclass(interface) and parent class is not {@link Object} so may cause {@link</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_javadoccomment">     * NullPointerException} at runtime.</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_javadoccomment">     * 2)this method assume that genericSuperClass is ParameterizedType and even does not validate it so may  produce {@link ClassCastException} at</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_javadoccomment">     * runtime.</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>  <em class="jxr_javadoccomment">     * 3)this method assume that given index is valid so may produce {@link IndexOutOfBoundsException} at runtime.</em>
<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment">     * @param clazz target class</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment">     * @param index position of type.</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment">     * @return actual parameterized type.</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Class&lt;?&gt; getActualGenericType(<strong class="jxr_keyword">final</strong> Class&lt;?&gt; clazz,
<a class="jxr_linenumber" name="29" href="#29">29</a>                                                  <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> index)
<a class="jxr_linenumber" name="30" href="#30">30</a>      {
<a class="jxr_linenumber" name="31" href="#31">31</a>          <strong class="jxr_keyword">if</strong> (clazz.isInterface()) {
<a class="jxr_linenumber" name="32" href="#32">32</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> Type type : clazz.getGenericInterfaces()) {
<a class="jxr_linenumber" name="33" href="#33">33</a>                  <strong class="jxr_keyword">if</strong> (type instanceof ParameterizedType) { <strong class="jxr_keyword">return</strong> (Class&lt;?&gt;) ((ParameterizedType) type).getActualTypeArguments()[index]; }
<a class="jxr_linenumber" name="34" href="#34">34</a>              }
<a class="jxr_linenumber" name="35" href="#35">35</a>          }
<a class="jxr_linenumber" name="36" href="#36">36</a>          <strong class="jxr_keyword">return</strong> (Class&lt;?&gt;) ((ParameterizedType) clazz.getGenericSuperclass()).getActualTypeArguments()[index];
<a class="jxr_linenumber" name="37" href="#37">37</a>      }
<a class="jxr_linenumber" name="38" href="#38">38</a>  
<a class="jxr_linenumber" name="39" href="#39">39</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment">     * Build method signature and return human readable simplified signature.</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment">     * For example method &lt;code&gt;void foo(java.land.String s, com.katesoft.jvmcluster.persistent.User)&lt;/code&gt; will have signature like this</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment">     * &lt;code&gt;foo(String, User)&lt;/code&gt;.</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment">     * @param m target method.</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment">     * @return simplified signature of the given method.</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String buildMethodSignature(<strong class="jxr_keyword">final</strong> Method m)
<a class="jxr_linenumber" name="50" href="#50">50</a>      {
<a class="jxr_linenumber" name="51" href="#51">51</a>          <strong class="jxr_keyword">final</strong> StringBuilder args = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="52" href="#52">52</a>          <strong class="jxr_keyword">for</strong> (
<a class="jxr_linenumber" name="53" href="#53">53</a>              @SuppressWarnings(<span class="jxr_string">"rawtypes"</span>)
<a class="jxr_linenumber" name="54" href="#54">54</a>              <strong class="jxr_keyword">final</strong> Class i : m.getParameterTypes()) {
<a class="jxr_linenumber" name="55" href="#55">55</a>              <strong class="jxr_keyword">if</strong> (args.length() &gt; 0) { args.append(<span class="jxr_string">","</span>); }
<a class="jxr_linenumber" name="56" href="#56">56</a>              args.append(i != <strong class="jxr_keyword">null</strong> ? i.getSimpleName() : <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="57" href="#57">57</a>          }
<a class="jxr_linenumber" name="58" href="#58">58</a>          <strong class="jxr_keyword">return</strong> m.getName() + <span class="jxr_string">"("</span> + args.toString() + <span class="jxr_string">")"</span>;
<a class="jxr_linenumber" name="59" href="#59">59</a>      }
<a class="jxr_linenumber" name="60" href="#60">60</a>  
<a class="jxr_linenumber" name="61" href="#61">61</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../com/katesoft/scale4j/common/utils/ReflectionUtility.html">ReflectionUtility</a>() {}
<a class="jxr_linenumber" name="62" href="#62">62</a>  }
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